Update app.py

app.py

@@ -287,7 +287,7 @@ def get_links_from_page(url, visited_urls, all_links, base_domain):
 def get_all_links_from_domain(domain_url):
     visited_urls = set()
     domain_links = set()
-    parsed_initial_url = urlparse(initial_url)
+    parsed_initial_url = urlparse(domain_url)
     base_domain = parsed_initial_url.netloc
     get_links_from_page(domain_url, visited_urls, domain_links, base_domain)
     return domain_links